Glass-wiping robot

A glass cleaning system, comprising,

• a glass-wiping robot, and
• a glass;
• wherein:
• the glass-wiping robot includes:
• a robot main body,
• a power cord connected to the robot main body, and
• a safety buckle wound by the power cord,
• the safety buckle is provided with a suction cup thereon for sucking the safety buckle onto a glass;
• the safety buckle includes a first end face and a second end face connected by a central pillar;
• a stuck section is formed between the first end face and the second end face, and
• when the suction cup fails, the stuck section is stuck between the glass and a frame.

A glass cleaning method, wherein a glass-wiping robot includes a robot main body, a power cord connected to the robot main body and a safety buckle wound by the power cord, and wherein the safety buckle is provided with a suction cup thereon for sucking the safety buckle onto a glass,

• the method comprising:
• disposing the robot main body at a first side of the glass;
• and
• sucking the suction cup on a second side of the glass;
• wherein
• the first side of the glass is opposite to the second side of the glass, such that the glass is prevented from being pushed open when the robot main body accidentally falls off the glass;
• and
• when the suction cup fails, a stuck section formed between a first end face of the safety buckle and a second end face of the safety buckle is stuck between the glass of a frame, such that the glass-wiping robot is prevented from being damaged when the robot main body accidentally falls.